1. Are peste 300 de specii de pasari
2.Este singura rezervatie naturala unde traieste cainele enot
3. Sunt specii de pesti care depun icre negre
Ventilation systems are needed in a <span>multicellular organism to actually obtain oxygen and give out carbon dioxide. Without this ventilation system, it would be very difficult for multicellular organisms to survive. It has been also observed that surface diffusion is not enough for a multicellular organism to breath.</span>
An experiment is a process where the a scientist tests and draws their evidence and data from. Hence, this process is where the hypothesis be supported or negated.
Variables are traits, factors, or characteristics that either manipulated or measured being the subject to become the data.
The independent variable is B.
<span>the presence of the new antibiotic</span>
The stem and the middle of the peatals
Explanation:
Noble gases have a full outer energy level and are inactive. These atoms are considered inert.
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